from __future__ import unicode_literals

from datetime import datetime
from django.db import models
from DjangoUeditor.models import UEditorField


# Create your models here.
class GoodsCategory(models.Model):
	"""
	商品类别
	"""
	CATEGORY_TYPE = (
		(1, "一级类目"),
		(2, "二级类目"),
		(3, "三级类目")
	)
	name = models.CharField(default="", max_length=30, verbose_name="类别名", help_text="类别名")
	code = models.CharField(default="", max_length=30, verbose_name="类别code", help_text="类别code")
	desc = models.TextField(default="", verbose_name="类别描述", help_text="类别描述")
	category_type = models.IntegerField(choices=CATEGORY_TYPE, verbose_name="类目级别", help_text="类目级别")
	parent_category = models.ForeignKey("self", null=True, blank=True, verbose_name="父类目级别", help_text="父目录",
	                                    related_name="sub_cat")
	is_tab = models.BooleanField(default=False, verbose_name="是否导航", help_text="是否导航")
	add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

	class Meta:
		verbose_name = "商品类别"
		verbose_name_plural = verbose_name

	def __str__(self):
		return self.name


class GoodsCategoryBrand(models.Model):
	"""
	品牌名
	"""
	category = models.ForeignKey(GoodsCategory, related_name="brands", null=True, blank=True, verbose_name="商品类目")
	name = models.CharField(default="", max_length=30, verbose_name="品牌名", help_text="品牌名")
	desc = models.TextField(default="", max_length=200, verbose_name="品牌描述", help_text="品牌描述")
	image = models.ImageField(max_length=200, upload_to="brand/")
	add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

	class Meta:
		verbose_name = "品牌"
		verbose_name_plural = verbose_name
		db_table = "goods_goodsbrand"

	def __str__(self):
		return self.name


class Goods(models.Model):
	"""
	商品
	"""
	category = models.ForeignKey(GoodsCategory, verbose_name="商品类目")
	goods_sn = models.CharField(max_length=50, default="", verbose_name="商品唯一货号")
	name = models.CharField(max_length=100, verbose_name="商品名")
	click_num = models.IntegerField(default=0, verbose_name="点击数")
	sold_num = models.IntegerField(default=0, verbose_name="商品销售量")
	fav_num = models.IntegerField(default=0, verbose_name="收藏数")
	goods_num = models.IntegerField(default=0, verbose_name="库存数")
	market_price = models.FloatField(default=0, verbose_name="市场价格")
	shop_price = models.FloatField(default=0, verbose_name="本店价格")
	goods_brief = models.TextField(max_length=500, verbose_name="商品简短描述")
	goods_desc = UEditorField(verbose_name=u"内容", imagePath="goods/images/", width=1000, height=300,
	                          filePath="goods/files/", default='')
	ship_free = models.BooleanField(default=True, verbose_name="是否承担运费")
	goods_front_image = models.ImageField(upload_to="goods/images/", null=True, blank=True, verbose_name="封面图")
	is_new = models.BooleanField(default=False, verbose_name="是否新品")
	is_hot = models.BooleanField(default=False, verbose_name="是否热销")
	add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

	class Meta:
		verbose_name = '商品'
		verbose_name_plural = verbose_name

	def __str__(self):
		return self.name


class IndexAd(models.Model):
	category = models.ForeignKey(GoodsCategory, related_name='category', verbose_name="商品类目")
	goods = models.ForeignKey(Goods, related_name='goods')

	class Meta:
		verbose_name = '首页商品类别广告'
		verbose_name_plural = verbose_name

	def __str__(self):
		return self.goods.name


class GoodsImage(models.Model):
	"""
	商品轮播图
	"""
	goods = models.ForeignKey(Goods, verbose_name="商品", related_name="images")
	image = models.ImageField(upload_to="", verbose_name="图片", null=True, blank=True)
	add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

	class Meta:
		verbose_name = '商品图片'
		verbose_name_plural = verbose_name

	def __str__(self):
		return self.goods.name


class Banner(models.Model):
	"""
	轮播的商品
	"""
	goods = models.ForeignKey(Goods, verbose_name="商品")
	image = models.ImageField(upload_to='banner', verbose_name="轮播图片")
	index = models.IntegerField(default=0, verbose_name="轮播顺序")
	add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

	class Meta:
		verbose_name = '轮播商品'
		verbose_name_plural = verbose_name

	def __str__(self):
		return self.goods.name


class HotSearchWords(models.Model):
	"""
	热搜词
	"""
	keywords = models.CharField(default="", max_length=20, verbose_name="热搜词")
	index = models.IntegerField(default=0, verbose_name="排序")
	add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

	class Meta:
		verbose_name = '热搜词'
		verbose_name_plural = verbose_name

	def __str__(self):
		return self.keywords
